Description:-This button switch is suitable in AC 50Hz, 380V and DC 220V circuits for remote manual control of electromagnetic starter, contactor, relay coil and other electrical signal appliances.-Momentary Push Switch causes a temporary change in the state of an electrical circuit only while the switch is physically actuated. -Widely used in security systems, Industrial manufacturing equipment, Gaming, Audio/video equipment, Avionics, Fitness equipment, Test and measurement equipment.-Most often momentary switches are used for circuits control in electromagnetic starter: Doorbell button, stuff like relay, Horn Button Switch, PC Power Switch or any circuit controls.-NOTE: These switches are not positive break types and should not be used for emergency stop applications. Specification:Model: LA2-JRated Voltage: AC 380V / DC 220VHeating Current (Ith): 5AAction Type: MomentaryContacts Type: 1 Pair of NO + 1 Pair of NCTerminals Type: Screw Clamps TerminalsPanel Mounting Diameter: 30mm / 1-17/94"Fit Panel Thickness: 1mm-6mm / 0.04"-0.24"Overall Size: 70 x 40 x 40mm / 2.76" x 1.57" x 1.57" (L*W*H)